export function isPC () {
  let userAgentInfo = navigator.userAgent
  let Agents = ['Android', 'iPhone', 'SymbianOS', 'Windows Phone', 'iPad', 'iPod']
  let flag = true
  for (let i = 0, len = Agents.length; i < len; i++) {
    if (userAgentInfo.indexOf(Agents[i]) > 0) {
      flag = false
      break
    }
  }
  return flag
}
